Product type | Water Valve |
Manufacturer | Belimo |
Flow pattern | 2-Way |
Valve type | Butterfly Valve |
Valve connection | Flanged |
DN (mm) | DN 40 |
Temperature range | -20°C to +120°C |
Flow rate - m³/h | 27 kvs |
All Valves made by Belimo that are in stock with iacs are shipped for free or within 1-2 days.
The Belimo D640N is a Valve used as a control or shutdown Valve in heating, ventilation, and air conditioning systems.
It is a Butterfly Valve with a Diameter Nominal of DN 40.
IACS can help you get the best-priced Belimo Butterfly Valve for your system.
If you have any queries concerning size or installation, please refer to the Belimo custom datasheet above or contact iacs by email.
• Media Cold and warm water, water with max 50% volume of glycol
• Media temperature –20°C ... +120°C
• Rated pressure ps 1600 kPa
• Flow rate kvs See «Overview of types»
• Leakage rate A, tight (EN 12266-1)
• Pipe connectors DN 25 ... DN 200 DN 250 ... DN 350 DN 400 ... DN 700 Flange PN 6 / PN 10 / PN 16 (according to ISO 7005-2) Flange PN 10 2) / PN 16 (according to ISO 7005-2) Flange PN 16 (according to ISO 7005-2)
• Suitable connecting flanges According to ISO 7005-2 and EN 1092-2
• Angle of rotation 90°
• Installation position Vertical to horizontal (in relation to the stem)
• Maintenance Maintenance-free
• Materials Fitting EN-JS1030 (GGG 40), Epoxy powder-coating (RAL 5002)
• Disc DIN/EN 1.4301 / AISI SS 304 (Stainless steel)
• Stem DIN/EN 1.4005 / AISI SS 416 (Stainless steel)
• Seat EPDM
• Stem seal EPDM O-ring
• Stem bearing RPTFE